{"id":"CVE-2023-45811","state":"PUBLISHED","title":"Prototype pollution vulnerability leading to arbitrary code execution in synchrony deobfuscator","description":"Synchrony deobfuscator is a javascript cleaner & deobfuscator.  A `__proto__` pollution vulnerability exists in versions before v2.4.4. Successful exploitation could lead to arbitrary code execution. A `__proto__` pollution vulnerability exists in the `LiteralMap` transformer allowing crafted input to modify properties in the Object prototype. A fix has been released in `deobfuscator@2.4.4`. Users are advised to upgrade. Users unable to upgrade should launch node with the [--disable-proto=delete][disable-proto] or [--disable-proto=throw][disable-proto] flags\n","publishedAt":"2023-10-17T22:37:20.249Z","updatedAt":"2024-09-13T15:29:09.089Z","severity":{"score":8.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["relative synchrony"],"affected":[{"vendor":"relative","product":"synchrony","versions":[{"version":">= 2.0.1, < 2.4.4","status":"affected"}]}],"references":["https://github.com/relative/synchrony/security/advisories/GHSA-jg82-xh3w-rhxx","https://github.com/relative/synchrony/commit/b583126be94c4db7c5a478f1c5204bfb4162cf40","https://github.com/relative/synchrony/security/advisories/src/transformers/literalmap.ts"],"weaknesses":["CWE-1321"],"ingestedAt":"2026-10-29T20:06:24.729Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/45xxx/CVE-2023-45811.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-45811","state":"PUBLISHED","datePublished":"2023-10-17T22:37:20.249Z","dateUpdated":"2024-09-13T15:29:09.089Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-10-13T12:00:50.437Z"},"containers":{"cna":{"title":"Prototype pollution vulnerability leading to arbitrary code execution in synchrony deobfuscator","descriptions":[{"lang":"en","value":"Synchrony deobfuscator is a javascript cleaner & deobfuscator.  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